A Webley Automatic? There was such an animal, but it looked nothing like this Steampunk Pistol by dreamdesigner442
Three-Barreled Flintlock pistol.
An extremely scarce flintlock-latern pistol by Regnier. provenance: France dating: circa 1800.
This looks Steampunk but it's not. The Apache, a real weapon produced between 1870 and 1900, are so small they were likely used by small handed women.
a gun with four holes where they shoot four bullets or whatever, drenched in the poison that can kill empyreans...
Steampunk Gatling gun More
Steampunk Lady Killer Pistol and Garter Holster by ajldesign.deviantart.com on @DeviantArt
Black roc knives
Look at this guy with detailed equipment and weapon. He is the future HERO for steampunk game. So do you like this brave man and his semi automatic gun?)